THE AMPHIBIA OF OKLAHOMA 



Literature Cited 



Bragg, Arthur N. 1940. Dwarf Btijo americaniis americaniis from Cleveland County Okla- 

 homa. Proc. Okla. Acad. Sci. 20: 75-76. 



• . 1940a. Observations on the Ecology and Natural History of Anura, I. Habits, habi- 

 tat, and breeding of Btijo cognattis Say. Amer. Nat. 74: 322—349 and 424-438. 



. 1941a. Observations, etc. VIII. Some factors in the initiation of breeding behavior. 



Turtox News 20: 12-13. 



. 1946. Some salientian adaptations. Great Basin Nat. 7: 11-15. 



Fisher, Helen Talley, and A. Richards. 1949. The annual ovarian cycle of Acris crepitans 

 Baird. Researches on Oklahoma Amphibia. University of Oklahoma Press. Norman. 



King, Helen Dean. 1902. The follicle sac of the amphibian ovary. Biol. Bull. 3: 245-254. 



Painter, T. S., and A. N. Taylor. 1940. Nuclear changes associated with the growth of 

 oocytes in the toad. Anat. Rec. 78, Supl.: 84. 



Rogers, Elizabeth Trent. 1942. The nucleoli in the primary oocytes of Brachydanio rerio. 

 Thesis, University of Oklahoma Library. (Unpublished). 



Rugh, Roberts. 1935. Pituitary-induced sexual reactions in the Anura. Biol. Bull. 68: 74-81. 



